“既有线加强与改建”的概念、定义、翻译、参考文献-科学参考

单词	既有线加强与改建
释义	既有线加强与改建 Encyclopedia 工学铁路选线设计释 betterment and reconstruction of existing railway既有线加强与改建对运营铁路进行技术改造。通过提高既有铁路的输送能力、列车运行速度，降低运输成本，以适应经济社会发展所带来的铁路运量的快速增长以及旅客对运输质量的更高要求。
随便看	personal area network coordinator, PAN coordinator personal bibliography personal communication personal communication system personal communication system, PCS personal company personal computer personal computer, PC personal construct theory personal credit evaluation personal difference personal digital assistant personal digital assistant for courier personal digital library personal direct payment for health services personal dose equivalent personal dose limit personal dose limit; individual dose limit personal dose monitoring instruments personal dosimeter personal equation personal error personal exposure personal file personal freedom

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。